Educators especially: I encourage you to use anything you find here that is useful to your mission educating people about Earth science. E-mail me if it would help to have a larger or higher-resolution version of any of the images.

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Here’s to tough sandstones! This has spurred me on to grappling with my video-editing software, and finally producing the first animated Through the Sandglass edition. I might even feature some of my own pet folds that I have lying around the place…..

Sorry Callan that this is not on the topic, the letter to the editor (in the twitter feed on the right http://twitpic.com/2innea ) concerning the “real cause of global warming” may have been intended in jest to provoke the obvious incredulous reactions from newspaper readers. Of course I would not be surprised anymore about much of the wacko ideas that Glenn Beck/Sarah Palin tea-party loonies would come up with(see sarcastic comment in twitter post)